I. INTRODUCTION: The RCB series asphalt heat pump has clear provisions on the medium and place of transportation: the temperature is 350 ℃, the viscosity is not more than 40mm2 / s, solid particles of asphalt, paraffin and other types of solidification at room temperature and alpine Regional outdoor installation and process requirements of insulation occasions. The pump can be fed into the heat transfer oil, hot water, steam and other media on the heating and insulation. Second, the structural features: Insulation gear pump pump cover the front cover with a hollow jacket, import and export flange. RCB series asphalt heat preservation pump is suitable for the outdoor installation and process in the freezing and cold region at room temperature. Steam, hot water can be used to heat, heat and cool the transported liquid and pump by media such as heat conduction oil. If the viscosity of the transport medium is greater than 1500CST, reducer should be used. Transmission mode: In general, pump and motor direct drive mode is adopted. Mechanical seals and packing seals are two design forms of pump shaft end seals that are user-specific and user-friendly. Third, the scope of application: RCB series of asphalt insulation pump used to transport heavy oil, asphalt, plastic, resin and so on. Insulation asphalt pump double arc point meshing, spur gear meshing transmission. Tooth width sufficient to achieve multi-tooth meshing, and each pair of teeth have two meshing point, meshing point at a large radius of curvature. Therefore, multi-point meshing double arc gear with high contact strength, smooth transmission, low noise. After bearing the running-in gradually make the point of contact into line contact, to abandon the involute gear theoretical line contact on the manufacture and installation of the sensitivity of the error, to prevent load concentration, improve the carrying capacity. Double arc tooth root stronger, high bending strength. There is no point meshing meshing gear involute gear has a different sliding speed, improved insulation asphalt pump drive efficiency and service life. In order to improve volumetric efficiency, sealed everywhere. Dynamic dynamic seal with a special packing, wear-resistant under high temperature, sealing effect is good. The lower part of bitumen pump body is provided with heat conducting oil storage and activity space to heat the bitumen to ensure that the conveying medium, bitumen, is always above the pumping temperature for easy transportation. The specifications of the asphalt pump has two kinds of structure: the electric motor is directly connected with the active pump shaft through the coupling (direct connection type), and the electric pump adopts six-stage electric motor; the electric motor is connected with the active pump shaft through a pair of deceleration pulleys Pei-style), useful four-level motor idea. LQB insulation asphalt pump designed specifically for road construction asphalt mixing system design, insulation asphalt pump supporting asphalt mixing equipment for conveying high temperature asphalt. To complete the entire industry road construction asphalt ingredients, spices process. Low noise, high efficiency, no leakage. The insulation asphalt pump used in asphalt mixing plant liquid asphalt transportation and spraying work, but also asphalt plant (station) asphalt conveying, canning, unloading, spraying the ideal equipment, but also for other high-viscosity media.
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Professionally provide medical grade heparin caps, injection connectors, Luer lock screw caps, Luer lock connector female heads, Luer lock plugs and other accessories series products, which have been widely used in medical equipment, biochemical inspection and analysis instruments and other industries for a long time.
Professionally provide medical grade heparin caps, injection connectors, Luer lock screw caps, Luer lock connector female heads, Luer lock plugs and other accessories series products, which have been widely used in medical equipment, biochemical inspection and analysis instruments and other industries for a long time.
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